harmonics 





try this  (bar the 12fret for harmonics and do this...)
|-12----12-----12----12----------12-------|
|-----12--12-------12--12------12---12----|
|---12------12---12------12--12--------12-|
|--------------------------12-------------|
|--------------12-------------------------|
|-12--------------------------------------|

try on distortion for best results




you could also try this effect on 
frets 5 7 9 and 17.



as i always say...EXPERIMENT

and always go for it full throtle

..